chapter 20 review mountain building. which section of the diagram best represents the most common...

Chapter 20 Review

Mountain Building

A B C D

0% 0%0%0%

Which section of the diagram best represents the most common elevation range of areas that are above sea level?

1. A

2. B

3. C

4. D

0% 0%0%0%

Which factor would be most useful in predicting the amount of mantle a

certain volume of crust will displace?

1. temperature of the mantle

2. density of the crust

3. chemical composition of the mantle

4. temperature of the crust

0% 0%0%0%

Which lists the types of convergent boundaries in order, from those that produce the smallest mountain belts to

those that produce the largest mountain belts?

1. oceanic-oceanic; oceanic-continental; continental-continental

2. oceanic-continental; oceanic-oceanic; continental-continental

3. continental-continental; oceanic-continental; oceanic-oceanic

4. oceanic-oceanic; continental-continental; oceanic-continental

0% 0%0%0%

At time interval A on the timeline, ancestral North America separated from

Ancestral Africa along two divergent boundaries. This was the beginning of

which process?

1. formation of the Appalachian Mountains

2. formation of the Himalayas

3. formation of the Lesser Antilles

4. formation of the Adirondack Mountains

incr

easi

ng te

mper

ature

dec

reas

ing d

ensi

ty

dec

reas

ing a

ge

incr

easi

ng den

sity

0% 0%0%0%

Which label best summarizes the trend represented by the arrow in the diagram?

1. increasing temperature

2. decreasing density

3. decreasing age

4. increasing density

by

conve

rgen

ce

by

faul

ting

by

volc

anoes

by

ocea

nic p

late

mo...

0% 0%0%0%

The Lesser Antilles and the Appalachian Mountains are similar in

that they were both formed .

1. by convergence

2. by faulting

3. by volcanoes

4. by oceanic plate movement

oce

anic

cru

st, c

ontin...

man

tle, o

cean

ic c

rust

...

contin

enta

l cru

st, o

c...

contin

enta

l cru

st, m

an...

0% 0%0%0%

Which lists Earth materials in order of increasing density?

1. oceanic crust, continental crust, mantle

2. mantle, oceanic crust, continental crust

3. continental crust, oceanic crust, mantle

4. continental crust, mantle, oceanic crust

841

m

302

4 m

386

5 m

470

6 m

0% 0%0%0%

What is the difference between the average depth of the ocean and the average elevation of exposed land,

as shown on the diagram?

1. 841 m

2. 3024 m

3. 3865 m

4. 4706 m

0% 0%0%0%

Subduction zones form at

1. only oceanic-oceanic boundaries

2. only oceanic-continental boundaries

3. both oceanic-oceanic boundaries and oceanic-continental boundaries

4. neither oceanic-oceanic boundaries or oceanic continental boundaries

a c

ollis

ion b

etwee

n t..

the

water

line

of a b

o..

scr

apin

g food

off

a pl

ate

stre

tchin

g a c

rack

ed, .

..

0% 0%0%0%

A good model for isostasy is

1. a collision between two cars

2. the water line of a boat when someone boards or leaves it

3. scraping food off a plate

4. stretching a cracked, old rubber band

rise

s

sin

ks

split

s to

form

a ri

ft

conve

rges

at a

boun...

0% 0%0%0%

In the process of isostatic rebound, mountains are eroded over hundreds of millions of

years, while the crust below them

1. rises

2. sinks

3. splits to form a rift

4. converges at a boundary

contin

enta

l drif

t

oro

geny

ero

sion

isost

atic

rebou

nd

0% 0%0%0%

After millions of years of erosion, the Appalachian Mountains still exist

because of

1. continental drift

2. orogeny

3. erosion

4. isostatic rebound

form

when

a la

rge

re...

hav

e ro

cks

that

are

n..

are

the

resu

lt of e

ros.

..

all

of th

e ab

ove

0% 0%0%0%

Uplifted mountains

1. form when a large region of Earth’s crust rises up as a unit

2. have rocks that are not very deformed

3. are the result of erosional forces

4. all of the above

form

when

two c

onti.

..

form

above

a s

ubduc.

..

form

when

a la

rge

pi...

all

of th

e ab

ove

0% 0%0%0%

Fault-block mountains

1. form when two continental plates collide

2. form above a subduction zone

3. form when a large pieces of crust are dropped between large faults

4. all of the above

hot s

pot v

olca

nism

div

erge

nce o

n the

o...

contin

enta

l-cont

inen

...

oce

anic

-oce

anic

co...

0% 0%0%0%

The Himalayas formed as the result of

1. hot spot volcanism

2. divergence on the ocean floor

3. continental-continental convergence

4. oceanic-oceanic convergence

div

erge

nt bou

ndarie

s

Euro

pe

Pan

gaea

hot s

pots

0% 0%0%0%

At this type of boundary, a warming lithosphere bulges upward and is higher

than the surrounding oceanic crust.

1. divergent boundaries

2. Europe

3. Pangaea

4. hot spots

div

erge

nt bou

ndarie

s

Euro

pe

Pan

gaea

hot s

pots

0% 0%0%0%

The volcanic peaks of Hawaii formed as a result of these.

1. divergent boundaries

2. Europe

3. Pangaea

4. hot spots

div

erge

nt bou

ndarie

s

Euro

pe

Pan

gaea

hot s

pots

0% 0%0%0%

Ancestral North America and ancestral Africa collided to form this

supercontinent.

1. divergent boundaries

2. Europe

3. Pangaea

4. hot spots

div

erge

nt bou

ndarie

s

Euro

pe

Pan

gaea

hot s

pots

0% 0%0%0%

Some of the rocks and geologic structures in this region are like those

in the Appalachian Mountains.

1. divergent boundaries

2. Europe

3. Pangaea

4. hot spots

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Mountains that form when large pieces of crust are tilted, uplifted, or dropped

between large faults

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Billowy rocks that form when lava erupts onto the seafloor

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Cycle of processes that form mountain ranges

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Slow process of the crust’s rising after overlying material is removed

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Condition of equilibrium whereby Earth’s crust is balanced by the upward force of buoyancy and the

downward force of gravity

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

faul

t-blo

ck m

ounta

ins

isost

atic

rebou

nd

oro

geny

pill

ow b

asal

ts

isost

asy

uplif

ted m

ounta

ins

0% 0% 0%0%0%0%

Mountains that form when large regions of Earth experience upward movement

1. fault-block mountains

2. isostatic rebound

3. orogeny

4. pillow basalts

5. isostasy

6. uplifted mountains

Tru

e

Fal

se

0%0%

There are three dominant ranges of elevations on Earth.

1. True

2. False

Tru

e

Fal

se

0%0%

Isostasy is an equilibrium between gravitational force and

buoyant force.

1. True

2. False

Tru

e

Fal

se

0%0%

Granite batholiths are associated with continental-continental plate

boundaries.

1. True

2. False

Tru

e

Fal

se

0%0%

The Himalayas are older than the Appalachian Mountains.

1. True

2. False

Tru

e

Fal

se

0%0%

Ocean ridges form at convergent plate boundaries.

1. True

2. False

Tru

e

Fal

se

0%0%

The Adirondack Mountains are classified as uplifted mountains.

1. True

2. False

Tru

e

Fal

se

0%0%

Orogeny is a term that refers to all processes that form Earth’s

crust.

1. True

2. False

Tru

e

Fal

se

0%0%

The shaded area of this graph correctly shows the percentage of Earth’s surface that is below sea

level.

1. True

2. False

Tru

e

Fal

se

0%0%

The mantle has a greater density than continental crust.

1. True

2. False

Tru

e

Fal

se

0%0%

The Grand Tetons are classified as fault block mountains.

1. True

2. False

Tru

e

Fal

se

0%0%

Most of Earth's surface is above sea level.

1. True

2. False

Tru

e

Fal

se

0%0%

Continental crust, because it is denser than oceanic crust, rises higher above Earth’s surface.

1. True

2. False

Tru

e

Fal

se

0%0%

The volcanoes of an island arc complex form as a result of a(n)

oceanic-continental convergence.

1. True

2. False

Tru

e

Fal

se

0%0%

Uplifted mountains are regions of broad uplift that seem to be related

to rising convection cells in the mantle.

1. True

2. False

Tru

e

Fal

se

0%0%

About 70 percent of Earth’s surface is below sea level.

1. True

2. False

Tru

e

Fal

se

0%0%

The seafloor displaces more of the mantle than the same thickness of

the continental crust.

1. True

2. False

Tru

e

Fal

se

0%0%

Isostasy between Earth’s mantle and crust exists when the mass of crust is

rising as a result of buoyancy and gravity.

1. True

2. False

Tru

e

Fal

se

0%0%

Mt. Everest is the tallest mountain on Earth, so it

probably has the deepest root.

1. True

2. False

Tru

e

Fal

se

0%0%

When mountains erode, their roots increase in size.

1. True

2. False

Tru

e

Fal

se

0%0%

The Appalachian Mountains are an example of divergent-

boundary mountains.

1. True

2. False

Tru

e

Fal

se

0%0%

The Adirondack Mountains, which are made of rocks that show little

deformation, are uplifted mountains.

1. True

2. False

Tru

e

Fal

se

0%0%

Oceanic crust is composed mainly of basalt, and continental crust is composed mainly of granite.

1. True

2. False

Tru

e

Fal

se

0%0%

Individual volcanic mountains on the ocean floor are called

plates.

1. True

2. False

Tru

e

Fal

se

0%0%

The tallest orogenic belts are found at continental-continental convergent

boundaries.

1. True

2. False

Tru

e

Fal

se

0%0%

Many mountain ranges are formed as the result of tectonic

interactions.

1. True

2. False

Tru

e

Fal

se

0%0%

Broad, uplifted plateaus, such as the Colorado Plateau, are regional divergent-boundary features of

Earth’s crust.

1. True

2. False